Oct 17

Histogram: Part – 3: Quality Control

Histogram:

Pareto chart: Histogram-shows defects ranked from greatest to least.

Pareto law: 80% problems come from 20% problems. Pareto chart is used to find the root causes of the problems.

Run Chart: Displays quality over time. Example: Time/month on X axis, defects per thousand on y axis.

Scatter Diagram: Plot all data and try to find the trendsStatistical Sampling: Take a sample randomly and measure quality

Inspection:

Defect repair review

Series Navigation<< Control Charts. Part – 2 : Project Quality ControlSome Terms. Part – 4: Project Quality Control >>
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